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- Dictionarykey/kiː/
noun
- 1. a small piece of shaped metal with incisions cut to fit the wards of a particular lock, which is inserted into a lock and turned to open or close it: "there were two keys to the cupboard"
- 2. each of several buttons on a panel for operating a computer, typewriter, or telephone: "press the ENTER key"
adjective
- 1. of crucial importance: "she became a key figure in the suffragette movement"
verb
- 1. enter or operate on (data) by means of a computer keyboard or telephone keypad: "not everyone can key data quickly and accurately"
- 2. fasten (something) in position with a pin, wedge, or bolt: "the coils may be keyed into the slots by fibre wedges"
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: a usually metal instrument that is used to open a lock or to start or access a mechanism. my house/car keys. turned the key in the lock/ignition. … a metallic rattle, like keys being jangled. Derwent May. b. : something that resembles a key in form or function. a key for winding a clock.
KEY definition: 1. a piece of metal that has been cut into a special shape and is used for opening or closing a…. Learn more.
Key Definition. An instrument, usually of metal, for moving the bolt of a lock and thus locking or unlocking something. Any of several instruments or mechanical devices resembling or suggesting this in form or use. Something regarded as like a key in opening or closing a way, revealing or concealing, etc. A keycard.
Definition of key noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
A key is a specially shaped piece of metal that you place in a lock and turn in order to open or lock a door, or to start or stop the engine of a vehicle.
1. a. A notched and grooved, usually metal implement that is turned to open or close a lock. b. A similar implement or an electronic device used for opening, winding, or starting something: the key of a wind-up alarm clock; the new car's electronic key. c. A device, such as a wedge or pin, inserted to lock together mechanical or structural parts.
a pin, bolt, wedge, or other piece inserted in a hole or space to lock or hold parts of a mechanism or structure together; a cotter. a small piece of steel fitting into matching slots of a hub of a wheel or the like and the shaft on which the wheel is mounted so that torque is transmitted from one to the other.
A key is a piece of metal that fits inside a lock and turns to open it. You might have a key ring with a house key, a car key, and maybe several more keys.
: something that is necessary in order to do or achieve something — usually singular. If you want to improve your health, exercise is the key. — usually + to. The key to hitting the ball well is following through on your stroke. Hard work is the key to success. 3.
Definition of key adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
